Well, as I figured the heater that came with the 75g isn't going to do. It has some condensation inside and the holder is actually melted to the glass

(Used - can't complain, I wasn't worried about the heater in the deal - just the tank, stand, lid/lights and filter hehe.)
Just a quick question - for a 75g I'm going to want to go with two of the Visi-therm 200watt heaters, correct? I currently use mostly TopFin and haven't had any troubles with them but I know I've just been lucky so far so its a good time to get the heaters right ^^;